CN211940143U

CN211940143U - Vertical cylindrical grinding machine

Info

Publication number: CN211940143U
Application number: CN201922346367.XU
Authority: CN
Inventors: 常伟民
Original assignee: Changzhou Yuteng Machinery Co ltd
Current assignee: Changzhou Yuteng Machinery Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-11-17
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a vertical cylindrical grinder, the bed comprises a bed body and a frame, install the workstation on the bed body, the rack-mount in on the workstation, install two draw runners that are parallel to each other on the workstation, slidable mounting has for on the draw runner the slip table of frame motion, install the rotary disk on the slip table, install the backup pad on the rotary disk, spacing spout has been seted up to backup pad both sides face symmetry, first centre gripping subassembly and second centre gripping subassembly are installed respectively to the backup pad both sides, the hydraulic stem is installed at the frame top, the other end of hydraulic stem is installed the gliding cross lifter plate of front end surface of frame, the bottom of lifter plate longitudinal segment is connected with the emery wheel perpendicularly. The utility model provides a production efficiency low, the low problem of production precision.

Description

Vertical cylindrical grinding machine

Technical Field

The utility model relates to a vertical cylindrical grinder belongs to grinding machine technical field.

Background

A grinding machine is a machine tool that grinds the surface of a workpiece using a grinding tool. Most grinding machines perform grinding using a grinding wheel rotating at a high speed, and a few grinding machines perform grinding using oilstones, sanding belts and other grinders and free abrasives, such as honing machines, superfinishing machines, sanding belt grinders, grinding machines, polishing machines, and the like. The grinder can process materials with higher hardness, such as hardened steel, hard alloy and the like; brittle materials such as glass, granite, etc. can also be processed. The grinding machine can grind with high precision and small surface roughness, and can grind with high efficiency, such as strong grinding.

The conventional grinding machine clamp can only grind one shaft part after clamping each time, and can grind the next time after being taken down after being ground, so that the production mode has low efficiency; the processed products are various in types, the sizes and the sizes of the workpieces are different, the required processing precision is different, the sizes of the clamps are fixed, and different clamps need to be replaced when the shaft workpieces with different sizes are processed, so that the manufacturing cost of an enterprise is increased invisibly; and when centre gripping axle type part, because of the anchor clamps centre gripping not tight, the problem that the precision of polishing is low easily appears, clamping device's structure is more complicated moreover, and manufacturing cost is higher, requires the skill height of adjustment.

Therefore, it is necessary to provide a vertical cylindrical grinding machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

A main object of the utility model is to provide a vertical cylindrical grinder drives the rotary disk through positive and negative motor and rotates for first centre gripping subassembly and second centre gripping subassembly are polished in turn, have improved productivity, are adding the cooperation of special-shaped axle sleeve and first bolt and are used, applicable multiple machining dimension, and first bolt also can further fix the work piece in addition, has improved the precision of processing, solves the problem that proposes among the above-mentioned background art.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a vertical cylindrical grinder, includes the bed body and frame, install the workstation on the bed body, the rack-mount in on the workstation, install two draw runners that are parallel to each other on the workstation, slidable mounting has for on the draw runner the slip table of frame motion, install the rotary disk on the slip table, install the backup pad on the rotary disk, spacing spout has been seted up to backup pad both sides face symmetry, first centre gripping subassembly and second centre gripping subassembly are installed respectively to the backup pad both sides, the hydraulic stem is installed at the frame top, the other end of hydraulic stem is installed the gliding cross lifter plate of front end surface of frame, the bottom of lifter plate longitudinal portion is connected with the emery wheel perpendicularly.

Preferably, first centre gripping subassembly includes fixed block and slider, the fixed block with the slider connect in on the same side of backup pad, the slider is located the top of fixed block, the fixed block with install the relative axle sleeve of opening respectively in the relative one side of slider, install axle type work piece between two relative axle sleeves, driving motor is installed at the slider top, install limit bolt on the slider, limit bolt runs through the slider extends to inside the spacing spout.

Preferably, a transmission case is installed at the bottom of the rotating disc, a positive and negative motor and a second bearing are installed in the transmission case, the positive and negative motor is connected with the second bearing through a belt, and the top end of the second bearing is fixedly connected with the center of the bottom of the rotating disc.

Preferably, the baffle is installed on three edges of the sliding table, a linear rack is installed at the bottom of one side of the sliding table, and a gear is meshed below the linear rack.

Preferably, a disc is installed on one side of the bed body, a first bearing is installed at the center of the disc, and the other end of the first bearing is fixedly connected with the gear.

Preferably, three screw holes are formed in the widest position of the diameter of the shaft sleeve at equal intervals in the radial direction, a first bolt capable of moving in the radial direction of the shaft sleeve is installed in each screw hole, a spring is sleeved on each first bolt, and the spring is located at the tail part of each first bolt and between the shaft sleeves.

Preferably, the first clamping assembly and the second clamping assembly are identical in structure.

Preferably, the supporting plate is arranged on the same side as the two shaft sleeves, and the axes of the two shaft sleeves are the same as the axis of the shaft workpiece.

The utility model has the advantages of:

1. the utility model discloses a set up the centre gripping subassembly that two sets of structures are the same and carry out the centre gripping to the work piece, wherein the back is polished to the work piece on the first centre gripping subassembly, and the rotary disk is rotatory, and the work piece on the second centre gripping subassembly is polished after that, meanwhile takes off the work piece of polishing on the first centre gripping subassembly, places new work piece of treating again, circulates in proper order, has improved productivity greatly.

2. The utility model discloses a set up special-shaped axle sleeve, special-shaped axle sleeve shape is one end big, and one end is little, and it has first bolt to go back the radial penetration of equidistance on the axle sleeve moreover, fixes the work piece, can adapt to the production of multiple size work piece, improves the precision of processing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a plan view of the shaft sleeve of the present invention.

In the figure: 1-a bed body, 2-a workbench, 3-a sliding table, 4-a baffle, 5-a rack, 6-a lifting plate, 7-a hydraulic rod, 8-a disc, 9-a first bearing, 10-a rotating disc, 11-a fixed block, 12-a shaft workpiece, 13-a first clamping component, 14-a sliding block, 15-a driving motor, 16-a positive and negative motor, 17-a second clamping component, 18-a second bearing, 19-a shaft sleeve, 20-a first bolt, 21-a spring, 22-a grinding wheel, 23-a limiting bolt, 24-a limiting chute, 25-a sliding strip, 26-a linear rack, 27-a gear and 28-a supporting plate.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, the vertical cylindrical grinding machine provided by this embodiment includes a bed body 1 and a frame 5, a table 2 is installed on the bed body 1, the frame 5 is installed on the table 2, two mutually parallel slide bars 25 are installed on the table 2, a slide table 3 moving relative to the frame 5 is installed on the slide bars 25 in a sliding manner, a rotating disk 10 is installed on the slide table 3, a supporting plate 28 is installed on the rotating disk 10, two side surfaces of the supporting plate 28 are symmetrically provided with a limiting sliding chute 24, two sides of the supporting plate 28 are respectively provided with a first clamping component 13 and a second clamping component 17, a hydraulic rod 7 is installed at the top of the frame 5, a cross-shaped lifting plate 6 sliding on the outer surface of the front end of the frame 5 is installed at the other end of the hydraulic rod 7, and a grinding wheel 22. Fix the work piece through first centre gripping subassembly 13, prevent that the work piece from rocking, help improving the precision of polishing like this, start hydraulic stem 7, it reciprocates to drive lifter plate 6, lifter plate 6 bottom is connected with emery wheel 22, move slip table 3 to frame 5 the place ahead, thereby make the position of emery wheel 22 laminating work piece, start the switch of driving motor 15 and emery wheel 22, polish to the surface of shaft class work piece 12, after the work piece of backup pad 28 one side is accomplished, start positive and negative motor 16, rotary disk 10 drives backup pad 28 and rotates, polish shaft class work piece 12 on the second centre gripping subassembly 17, in this moment, the work piece of polishing on the first centre gripping subassembly 13 is taken off, prevent new shaft class work piece 12 that need polish again, the cycle like this, the efficiency of production is improved.

In this embodiment, the first clamping assembly 13 includes a fixed block 11 and a sliding block 14, the fixed block 11 and the sliding block 14 are connected to the same side of the supporting plate 28, the sliding block 14 is located above the fixed block 11, opposite surfaces of the fixed block 11 and the sliding block 14 are respectively provided with shaft sleeves 19 with opposite openings, a shaft-like workpiece 12 is installed between the two opposite shaft sleeves 19, the top of the sliding block 14 is provided with a driving motor 15, the sliding block 14 is provided with a limit bolt 23, the limit bolt 23 penetrates through the sliding block 14 and extends into a limit sliding chute 24, the sliding block 14 is moved to a proper position, two ends of the shaft-like workpiece 12 are placed in the two corresponding shaft sleeves 19 above and below the first clamping assembly 13, the limit bolt 23 is clamped in a limit hole in the limit groove, the shaft-like workpiece 12 is preliminarily fixed, and then the shaft-like workpiece 12 is further fixed by screwing three first bolts, the shaft-like workpiece 12 is prevented from shaking, which is helpful for improving the grinding precision.

In this embodiment, a transmission box is installed at the bottom of the rotating disc 10, a forward and reverse motor 16 and a second bearing 18 are installed in the transmission box, the forward and reverse motor 16 is connected with the second bearing 18 through a belt, the top end of the second bearing 18 is fixedly connected with the central position of the bottom of the rotating disc 10, and the rotating disc 10 is driven to rotate through the cooperation of the forward and reverse motor 16 and the second bearing 18, so that the first clamping assembly 13 and the second clamping assembly 17 are driven to work alternately.

In this embodiment, install baffle 4 on three sides of slip table 3, linear rack 26 is installed to slip table 3 one side bottom, and the meshing has gear 27 below linear rack 26, and the setting of baffle 4 has blockked to a certain extent the splashing of metal fillings and sand bits.

In this embodiment, a disc 8 is installed on one side of the bed body 1, a first bearing 9 is installed at the central position of the disc 8, the other end of the first bearing 9 is fixedly connected with a gear 27, the disc 8 is rotated, the first bearing 9 in the disc 8 is connected with the gear 27, the gear 27 rotates, and the sliding table 3 is driven to move towards the direction of the frame 5 under the action of the linear rack 26.

In this embodiment, three screw holes are radially and equidistantly formed in the widest position of the diameter of the shaft sleeve 19, a first bolt 20 capable of radially moving along the shaft sleeve 19 is installed in the screw hole, a spring 21 is sleeved on the first bolt 20, the spring 21 is located between the tail of the first bolt 20 and the shaft sleeve 19, and the ends of the three bolts clamp the shaft workpiece 12, so that the stability of the shaft workpiece 12 is ensured, and the polishing precision is improved.

In this embodiment, the first clamping assembly 13 and the second clamping assembly 17 have the same structure, and the two sets of clamping assemblies work alternately, so that the production efficiency is improved.

In this embodiment, the axes of the two bushings 19 on the same side of the supporting plate 28 are the same as the axes of the shaft-like workpieces 12, so that the shaft-like workpieces 12 can be kept perpendicular to the worktable 2, and the grinding wheels 22 can grind the surfaces of the shaft-like workpieces 12 conveniently.

The utility model discloses a theory of operation is: moving the sliding block 14 to a proper position, placing two ends of a shaft workpiece 12 in two corresponding shaft sleeves 19 above and below a first clamping assembly 13, clamping limiting bolts 23 in limiting holes in limiting grooves to preliminarily fix the shaft workpiece 12, further fixing the shaft workpiece 12 by screwing three first bolts 20 on the shaft sleeves 19 to prevent the shaft workpiece 12 from shaking, which is beneficial to improving the polishing precision, then rotating the disc 8, connecting a first bearing 9 in the disc 8 with a gear 27, rotating the gear 27, driving the sliding table 3 to move towards the direction of the rack 5 under the action of a linear rack 26, starting the hydraulic rod 7 to drive the lifting plate 6 to move up and down, connecting a grinding wheel 22 at the bottom of the lifting plate 6, lifting the grinding wheel 22 to a position of being attached to the shaft workpiece 12, starting switches of the driving motor 15 and the grinding wheel 22 to polish the surface of the shaft workpiece 12, after the shaft type workpiece 12 on one side of the supporting plate 28 is finished, the forward and reverse motor 16 is started, the forward and reverse motor 16 drives the second bearing 18 to rotate through a belt, the top end of the second bearing 18 is connected with the rotating disk 10, the supporting plate 28 is driven to rotate, the shaft type workpiece 12 on the second clamping assembly 17 is polished, meanwhile, the shaft type workpiece 12 polished on the first clamping assembly 13 is taken down, a new shaft type workpiece 12 needing to be polished is prevented again, the process is circulated, and the production efficiency is improved.

Above, only the further embodiments of the present invention are shown, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides a vertical cylindrical grinder, includes the bed body (1) and frame (5), install workstation (2) on the bed body (1), frame (5) install in on workstation (2), its characterized in that: install two draw runner (25) that are parallel to each other on workstation (2), slidable mounting has on draw runner (25) for frame (5) gliding slip table (3), install rotary disk (10) on slip table (3), install backup pad (28) on rotary disk (10), spacing spout (24) have been seted up to backup pad (28) both sides symmetry, first centre gripping subassembly (13) and second centre gripping subassembly (17) are installed respectively to backup pad (28) both sides, hydraulic stem (7) are installed at frame (5) top, install the other end of hydraulic stem (7) the gliding cross lifter plate (6) of front end surface of frame (5), the bottom vertical connection of lifter plate (6) longitudinal portion has emery wheel (22).

2. The vertical cylindrical grinding machine according to claim 1, characterized in that: first centre gripping subassembly (13) include fixed block (11) and slider (14), fixed block (11) with slider (14) connect in on the same side of backup pad (28), slider (14) are located the top of fixed block (11), fixed block (11) with install respectively in the relative one side of slider (14) that the opening is relative special-shaped axle sleeve (19), install axle type work piece (12) between two relative axle sleeves (19), driving motor (15) are installed at slider (14) top, install limit bolt (23) on slider (14), limit bolt (23) run through slider (14) and extend to inside spacing spout (24).

3. The vertical cylindrical grinding machine according to claim 1, characterized in that: the transmission case is installed to rotary disk (10) bottom, install positive and negative motor (16) and second bearing (18) in the transmission case, positive and negative motor (16) through the belt with second bearing (18) are connected, the top of second bearing (18) with the central point of rotary disk (10) bottom puts fixed connection.

4. The vertical cylindrical grinding machine according to claim 1, characterized in that: baffle (4) are installed on trilateral of slip table (3), linear rack (26) are installed to slip table (3) one side bottom, the meshing has gear (27) below linear rack (26).

5. The vertical cylindrical grinding machine according to claim 4, characterized in that: disc (8) are installed to bed body (1) one side, the central point department of putting of disc (8) installs first bearing (9), the other end of first bearing (9) with gear (27) fixed connection.

6. The vertical cylindrical grinding machine according to claim 2, characterized in that: three screw holes are seted up to axle sleeve (19) diameter widest department on radial equidistance, install in the screw hole and follow axle sleeve (19) radial motion's first bolt (20), spring (21) have been cup jointed on first bolt (20), spring (21) are located first bolt (20) afterbody with between axle sleeve (19).

7. The vertical cylindrical grinding machine according to claim 1, characterized in that: the first clamping assembly (13) and the second clamping assembly (17) are identical in structure.

8. The vertical cylindrical grinding machine according to claim 2, characterized in that: the axes of the two shaft sleeves (19) on the same side of the supporting plate (28) are the same as the axis of the shaft workpiece (12).